A Republican congressional candidate in a key battleground district is in hot water after touting an endorsement from a Holocaust-denying conspiracy theorist, according to Jewish Insider. According to the report, Orlando Sonza, a former prosecutor and West Point-graduated veteran, included Kiumars Kiani on his list of endorsements both on his website and social media accounts. Kiani, who previously ran for Congress himself and also goes by the name “Dr. Q,” was listed as a “community leader & grassroots activist” who supports Sonza’s campaign against Democratic Rep. Greg Landsman. Kiani has de…